2688892780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{54409}}^1$

素因数の和:54778

約数の個数: 48

約数和(自身を含む): 6471743040

約数和(自身を除く): 3782850260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 353, 706, 1412, 1765, 2471, 3530, 4942, 7060, 9884, 12355, 24710, 49420, 54409, 108818, 217636, 272045, 380863, 544090, 761726, 1088180, 1523452, 1904315, 3808630, 7617260, 19206377, 38412754, 76825508, 96031885, 134444639, 192063770, 268889278, 384127540, 537778556, 672223195, 1344446390, 2688892780]

約数ペア:

[(1, 2688892780), (2, 1344446390), (4, 672223195), (5, 537778556), (7, 384127540), (10, 268889278), (14, 192063770), (20, 134444639), (28, 96031885), (35, 76825508), (70, 38412754), (140, 19206377), (353, 7617260), (706, 3808630), (1412, 1904315), (1765, 1523452), (2471, 1088180), (3530, 761726), (4942, 544090), (7060, 380863), (9884, 272045), (12355, 217636), (24710, 108818), (49420, 54409)]